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1
JEE Main 2022 (Online) 30th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The sugar produced after complete hydrolysis of DNA is

A
a pentose sugar.
B
a hexose sugar.
C
a polysaccharide.
D
a disaccharide.
2
JEE Main 2022 (Online) 29th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The structure of protein that is unaffected by heating is

A
secondary structure
B
tertiary structure
C
primary structure
D
quaternary structure
3
JEE Main 2022 (Online) 29th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Sugar moiety in DNA and RNA molecules respectively are

A
$$\beta$$-D-2-deoxyribose, $$\beta$$-D-deoxyribose.
B
$$\beta$$-D-2-deoxyribose, $$\beta$$-D-ribose
C
$$\beta$$-D-ribose, $$\beta$$-D-2-deoxyribose.
D
$$\beta$$-D-deoxyribose, $$\beta$$-D-2-deoxyribose.
4
JEE Main 2022 (Online) 28th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

When sugar 'X' is boiled with dilute H2SO4 in alcoholic solution, two isomers 'A' and 'B' are formed. 'A' on oxidation with HNO3 yields saccharic acid where as 'B' is laevorotatory. The compound 'X' is :

A
Maltose
B
Sucrose
C
Lactose
D
Starch
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